The Chap demostrates the rather spiffy 4mm Lienhard sub-calibre training insert systems for Swiss straight-pull rifles, and the Swiss Parabellum (Luger) pistol. And, he shoots them in his Schmidt-Rubin K11 and 00/06 Parabellum pistol!

Thanks to www.swisswaffen.com for the use of their photo!

Guns in this video:
Schmidt-Rubin K11
Parabellum 00/06 "Luger"